
Character.AI technical phone screen interview
Round 3 of 8 · 3 questions reported
- Length
- 60 min
- Format
- Live coding, usually in Python
- They grade
- Talking through the approach and edge cases counts as much as a working solution
- Heads-up
- A data structures problem at medium level (one guide says about two in 45 minutes), then a short talk on distributed systems or model inference.
Questions Character.AI asks in this round 3
About the Character.AI technical phone screen round
What does Character.AI ask in the technical phone screen round?
The most asked: Minimum window substring, How strings are stored and what copying them costs and Temporal key-value store with point-in-time reads and restore.
How long is the Character.AI technical phone screen round?
About 60 minutes.
What is the Character.AI technical phone screen round like?
Live coding, usually in Python. They grade: Talking through the approach and edge cases counts as much as a working solution.